Cassette storage container



FIG. 1 is an isometric view of the preferred embodiment of my cassette storage container, showing the front, top and left side of my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an isometric view thereof showing the lid in an open position;

FIG. 5 is a right side elevation view thereof showing the lid in an open position. 

The ornamental design for a cassette storage container, as shown and described. 